Q.

When stopping potential is applied in an experiment of photoelectric effect, no photocurrent is observed. This means that

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a

the emission of photo electrons is stopped

b

the photoelectrons are emitted but are reabsorbed by the emitter

c

the photoelectrons are accumulated near the collector

d

the photoelectrons are dispersed from the sides of the apparatus

answer is B.

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Detailed Solution

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When a stopping potential is applied the photoelectron get accelerated in opposite direction instead of coming out they get reabsorbed by the emitter.

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When stopping potential is applied in an experiment of photoelectric effect, no photocurrent is observed. This means that